public class Bank {
  private int money;
  public void income(int in,int out) throws BankException {
    if(in<=0||out>=0||in+out<=0) {
       throw new BankException(in,out);
    }
    int netIncome = in+out;
    System.out.printf("本次计算出的纯收入是:%d元\n",netIncome);
    money=money+netIncome;
  }
  public int getMoney() {
    return money;
  }
}
